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The biggest change for me I've noticed is I'm vastly less likely to speed with a digital speedometer than with a dial spedometer. Adaptive cruise control also helps a lot

(I was never particularly a speed demon in the first place though)

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I think a partial reason for that is a ton of cars put 80 in the middle of the dial speedometer. So, it's bizarrely easier to see your speed accurately if you're going over the speed limit.

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